High-Res Satellites Want to Track Human Activity From Space
by Sarah Scoles from on (#30GHG)
By 2021, DigitalGlobe will be able to image parts of the planet every 20 minutes, flashing by for photos dozens of times a day.By 2021, DigitalGlobe will be able to image parts of the planet every 20 minutes, flashing by for photos dozens of times a day.